john mccain said of nomination, quote, i have many questions and concerns about the nomination especially what role he played in the so-called enhanced interrogation programs. i plan to examine this aspect of mr. brennan's record very closely. while denouncing waterboarding as un-american in a 2007 interview, brennan told cbs news the program was valuable. quote, there has been a lot of information that has come out of these interrogation procedures that the agency has in fact used against real hardcore terrorists t has saved lives. aside from what critics describe as significant inconsistencies in his public states they also question whether brennan can recast himself as neutral after four years inside the white house. jenna. jenna: that's interesting. any reaction now from the white house? are they telegraphing how they might defend brennan against some of these criticisms?. >> reporter: well, this week the white house emphasizing that brennan in a letter for years ago denounced the cia program. since he earned trust from the president as his counterterrorism advisor. benghazi looms lar